The spirit level : why greater equality makes societies stronger

The strong version of Richard Wilkinson and Kate Pickett’s argument in The Spirit Level implies that President Obama’s fight to reform health care was pointless. Extending the availability of health insurance cannot substantially improve Americans’ health. Instead, the president would make us all happier, healthier, and longer-lived, their logic suggests, if he could get the richest, say, 5 percent of Americans to leave the country.